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Measurement of the t-channel single-top-quark production cross section and of the |V (tb)| CKM matrix element in pp collisions at root s=8 TeV
dc.creator | Khachatryan, V. | |
dc.creator | Adžić, Petar | |
dc.creator | Đorđević, Miloš | |
dc.creator | Ekmedžić, Marko | |
dc.creator | Milošević, Jovan | |
dc.creator | Milenović, Predrag | |
dc.creator | Reković, Vladimir | |
dc.date.accessioned | 2018-03-02T00:14:00Z | |
dc.date.available | 2018-03-02T00:14:00Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 1029-8479 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/6054 | |
dc.description.abstract | Measurements are presented of the t-channel single-top-quark production cross section in proton-proton collisions at root s = 8 TeV. The results are based on a data sample corresponding to an integrated luminosity of 19.7 fb(-1) recorded with the CMS detector at the LHC. The cross section is measured inclusively, as well as separately for top (t) and antitop (t) over bar, in final states with a muon or an electron. The measured inclusive t-channel cross section is sigma(t-ch.) = 83.6 +/- 2.3 (stat.) +/- 7.4 (syst.) pb. The single t and (t) cross sections are measured to be sigma(t-ch.)(t) = 53.8 +/- 1.5 (stat.) +/- 4.4 (syst.) pb and sigma(t-ch.)(t) over bar = 27.6 +/- 1.3 (stat.) +/- 3.7 (syst.) pb, respectively. The measured ratio of cross sections is Rt-ch. = sigma(t-ch.)(t)/sigma(t-ch.)(t) over bar = 1.95 +/- 0.10 (stat.) +/- 0.19 (syst.), in agreement with the standard model prediction. The modulus of the Cabibbo-Kobayashi-Maskawa matrix element V-tb is extracted and, in combination with a previous CMS result at root s = 7 TeV, a value vertical bar V-tb vertical bar = 0.998 +/- 0.038 (exp.) +/- 0.016 (theo.) is obtained. | en |
dc.relation | Marie-Curie programme, European Research Council, EPLANET (European Union), Leventis Foundation, A.P. Sloan Foundation, Alexander von Humboldt Foundation, Belgian Federal Science Policy Office, Fonds pour la Formation a la Recherche dans lIndustrie et dans lAgriculture (FRIA-Belgium), Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium), Ministry of Education, Youth and Sports (MEYS) of Czech Republic, Council of Science and Industrial Research, India, HOMING PLUS programme of Foundation for Polish Science, EU, EU-ESF, Greek NSRF, BMWF (Austria), FWF (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN, CAS (China), MoST (China), NSFC (China), COLCIEN-CIAS (Colombia), MSES (Croatia), CSF (Croatia), RPF (Cyprus), MoER (Estonia) [SF0690030s09], ERDF (Estonia), Academy of Finland, MEC (Finland), HIP (Finland), CEA (France), CNRS/IN2P3 (France), BMBF, Germany, DFG (Germany), HGF (Germany), GSRT (Greece), OTKA (Hungary), NIH (Hungary), DAE (India), DST (India), IPM (Iran), SFI (Ireland), INFN (Italy), NRF (Republic of Korea), WCU (Republic of Korea), LAS (Lithuania), MOE (Malaysia), UM (Malaysia), CINVESTAV (Mexico), CONACYT (Mexico), SEP (Mexico), UASLP-FAI (Mexico), MBIE (New Zealand), PAEC (Pakistan), MSHE (Poland), NSC (Poland), FCT (Portugal), JINR (Dubna), MON (Russia), RosAtom (Russia), RAS (Russia), RFBR (Russia), MESTD (Serbia), SEIDI (Spain), CPAN (Spain), Swiss Funding Agencies (Switzerland), NSC (Taipei), ThEPCenter (Thailand), IPST (Thailand), STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (United Kingdom), DOE (U.S.A.), NSF (U.S.A.), Compagnia di San Paolo (Torino), Thalis programme, Aristeia programme | |
dc.rights | openAccess | en |
dc.source | Journal of High Energy Physics | en |
dc.subject | Hadron-Hadron Scattering | en |
dc.subject | Top physics | en |
dc.title | Measurement of the t-channel single-top-quark production cross section and of the |V (tb)| CKM matrix element in pp collisions at root s=8 TeV | en |
dc.type | article | en |
dcterms.abstract | Aдзиц, П.; Кхацхатрyан, В.; Екмедзиц, М.; Рековиц, В.; Милошевић Јован; Миленовић Предраг; Ђорђевић Милош; | |
dc.citation.issue | 6 | |
dc.identifier.wos | 000338329300001 | |
dc.identifier.doi | 10.1007/JHEP06(2014)090 | |
dc.citation.other | Article Number: 090 | |
dc.citation.rank | M21 | |
dc.contributor.count | CMS Collaboration (ukupan broj autora: 2129) | |
dc.identifier.scopus | 2-s2.0-84904352675 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs//bitstream/id/13676/6050.pdf |